Home / 3,890,895-5,836,368.42-1,231,503

Finding the Fourth Proportional to 3,890,895, 5,836,368.42 and 1,231,503

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Solution

The fourth proportional to 3,890,895, 5,836,368.42 and 1,231,503 is: 1,847,262.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,890,895 : 5,836,368.42 = 1,231,503 : x
  2. Step 2: Convert to fraction form
    3,890,895/5,836,368.42 = 1,231,503/x
  3. Step 3: Cross multiply
    3,890,895x = 5,836,368.42 × 1,231,503
  4. Step 4: Simplify right side
    3,890,895x = 7,187,505,218,335.26
  5. Step 5: Solve for x
    x = 7,187,505,218,335.26/3,890,895
  6. Step 6: Final answer
    x = 1,847,262.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.